diff --git a/actions/dynamicDNS b/actions/dynamicDNS
index 4350922bb..fa1fe5a41 100755
--- a/actions/dynamicDNS
+++ b/actions/dynamicDNS
@@ -27,25 +27,25 @@ CRONJOB="/etc/cron.d/${TOOLNAME}"
 
 doReadCFG()
 { 
-	host=""
-	server=""
-	user=""
-	pass=""
-	IPURL=""
-	FILE=""
-	[ -f $CFG_disabled ] && FILE=$CFG_disabled
-	[ -f $CFG ] && FILE=$CFG
+    host=""
+    server=""
+    user=""
+    pass=""
+    IPURL=""
+    FILE=""
+    [ -f $CFG_disabled ] && FILE=$CFG_disabled
+    [ -f $CFG ] && FILE=$CFG
 
-	if [ ! -z $FILE ];then
-    	host=`cat $FILE 2> /dev/null |grep host |cut -d = -f 2`
-	    server=`cat $FILE 2> /dev/null |grep server |cut -d = -f 2`
-	    user=`cat $FILE 2> /dev/null |grep user |cut -d = -f 2 |cut -d : -f 1`
-	    pass=`cat $FILE 2> /dev/null |grep user |cut -d = -f 2 |cut -d : -f 2`
-	fi
+    if [ ! -z $FILE ];then
+            host=`cat $FILE 2> /dev/null |grep host |cut -d = -f 2`
+        server=`cat $FILE 2> /dev/null |grep server |cut -d = -f 2`
+        user=`cat $FILE 2> /dev/null |grep user |cut -d = -f 2 |cut -d : -f 1`
+        pass=`cat $FILE 2> /dev/null |grep user |cut -d = -f 2 |cut -d : -f 2`
+    fi
 
-	if [ ! -z $HELPERCFG ];then
-		IPURL=`cat $HELPERCFG 2> /dev/null |grep URL |awk '{print $2}'`
-	fi  
+    if [ ! -z $HELPERCFG ];then
+        IPURL=`cat $HELPERCFG 2> /dev/null |grep URL |awk '{print $2}'`
+    fi  
 }
 
 doGetOpt()
@@ -65,11 +65,11 @@ doGetOpt()
                 pass=$OPTARG
             ;;
             I)
-            	if [ "$OPTARG" != "$EMPTYSTRING" ];then
-                	IPURL=$OPTARG
-            	else
-    				IPURL=""	
-    			fi
+                if [ "$OPTARG" != "$EMPTYSTRING" ];then
+                    IPURL=$OPTARG
+                else
+                    IPURL=""    
+                fi
             ;;
             \?)
                 echo "Invalid option: -$OPTARG" >&2
@@ -85,63 +85,63 @@ doGetOpt()
 
 doWriteCFG()
 {
-	#always write to the inactive config - needs to be enabled vi "start" command later
-	FILE=$CFG_disabled
-	
-	#reset the last update time
-	echo 0 > $LASTUPDATE
-	
-	#reset the last updated IP
-	echo "0.0.0.0" > $IPFILE
-	
-	#reset last update
-	rm $STATUSFILE
-	
-	#find the interface (always the default gateway interface)
+    #always write to the inactive config - needs to be enabled vi "start" command later
+    FILE=$CFG_disabled
+
+    #reset the last update time
+    echo 0 > $LASTUPDATE
+
+    #reset the last updated IP
+    echo "0.0.0.0" > $IPFILE
+
+    #reset last update
+    rm $STATUSFILE
+
+    #find the interface (always the default gateway interface)
     DEFAULT=`ip route |grep default |awk '{print $5}'`
-    
+
     #store the given options in ez-ipupdate compatible config file
     echo "host=$host" > $FILE
     echo "server=$server" >> $FILE
     echo "user=${user}:${pass}" >> $FILE
-	echo "service-type=gnudip" >> $FILE
-	echo "retrys=5" >> $FILE
-	echo "execute=$0 success" >> $FILE
-	echo "wildcard" >> $FILE
-	
-	#check if we are behind a NAT Router
+    echo "service-type=gnudip" >> $FILE
+    echo "retrys=5" >> $FILE
+    echo "execute=$0 success" >> $FILE
+    echo "wildcard" >> $FILE
+    
+    #check if we are behind a NAT Router
     echo "IPURL $IPURL" > $HELPERCFG
     if [ -z $IPURL ];then
-    	echo "NAT unknown" >> $HELPERCFG
-	else 
-		doGetWANIP
-		ISGLOBAL=`ip addr ls $DEFAULT | grep $WANIP`
-		if [ -z $ISGLOBAL ];then
-			#we are behind NAT
-			echo "NAT yes" >> $HELPERCFG
-		else
-			#we are directly connected
-			echo "NAT no" >> $HELPERCFG
-			#if this file is added ez-ipupdate will take ip form this interface
-			echo "interface=$DEFAULT" >> $FILE
-			#if this line is added to config file, ez-ipupdate will be launched on startup via init.d
-			echo "daemon" >> $FILE
-		fi
-	fi
+        echo "NAT unknown" >> $HELPERCFG
+    else 
+        doGetWANIP
+        ISGLOBAL=`ip addr ls $DEFAULT | grep $WANIP`
+        if [ -z $ISGLOBAL ];then
+            #we are behind NAT
+            echo "NAT yes" >> $HELPERCFG
+        else
+            #we are directly connected
+            echo "NAT no" >> $HELPERCFG
+            #if this file is added ez-ipupdate will take ip form this interface
+            echo "interface=$DEFAULT" >> $FILE
+            #if this line is added to config file, ez-ipupdate will be launched on startup via init.d
+            echo "daemon" >> $FILE
+        fi
+    fi
 }
 
 doGetWANIP()
 {
-	if [ $IPURL ];then
-		OUTFILE=`mktemp`
-		wget -4 -o /dev/null -O $OUTFILE $IPURL
-		WANIP=`cat $OUTFILE`
-		rm $OUTFILE
-	else
-		#no WAN IP found because of missing check URL
-		WANIP=${NOIP}
-	fi
-	echo $WANIP > $IPFILE
+    if [ $IPURL ];then
+        OUTFILE=`mktemp`
+        wget -4 -o /dev/null -O $OUTFILE $IPURL
+        WANIP=`cat $OUTFILE`
+        rm $OUTFILE
+    else
+        #no WAN IP found because of missing check URL
+        WANIP=${NOIP}
+    fi
+    echo $WANIP > $IPFILE
 }
 
 cmd=$1
@@ -153,67 +153,67 @@ case $cmd in
     ;;
     start)
         if [ "$(cat $HELPERCFG |grep ^NAT | awk '{print $2}')" = "no" ];then
-        	mv $CFG_disabled $CFG
-        	/etc/init.d/${TOOLNAME} start
-    	else
-    		echo "*/${UPDATEMINUTES} * * * * root $0 update" > $CRONJOB
-    		$0 update
-    	fi
+            mv $CFG_disabled $CFG
+            /etc/init.d/${TOOLNAME} start
+        else
+            echo "*/${UPDATEMINUTES} * * * * root $0 update" > $CRONJOB
+            $0 update
+        fi
     ;;
     get-nat)
-    	NAT=`cat $HELPERCFG 2> /dev/null |grep ^NAT | awk '{print $2}'`
-    	[ -z $NAT ] && NAT="unknown"
-    	echo $NAT
+        NAT=`cat $HELPERCFG 2> /dev/null |grep ^NAT | awk '{print $2}'`
+        [ -z $NAT ] && NAT="unknown"
+        echo $NAT
+    ;;
+    update)
+    doReadCFG
+    OLDIP=`cat $IPFILE`
+    doGetWANIP
+    [ -f $CFG_disabled ] && FILE=$CFG_disabled
+    [ -f $CFG ] && FILE=$CFG
+    RESULT=0
+    #if we know our WAN IP, only update if IP changes
+    if [ "$OLDIP" != "$WANIP" -a "${WANIP}" != ${NOIP} ];then
+        ${UPDATE_TOOL} -c $FILE
+        RESULT=$?
+        cat /proc/uptime |awk '{print $1}' > $LASTUPDATE
+    fi
+    #if we don't know our WAN IP do a blind update once a hour
+    if [ "${WANIP}" = ${NOIP} ];then
+        UPTIME=`cat /proc/uptime`
+        LAST=`cat $LASTUPDATE`
+        DIFF=`expr $UPTIME - $LAST`  
+        if [ $DIFF -gt $UPDATEMINUTESUNKNOWN ];then
+            ${UPDATE_TOOL} -c $FILE
+            RESULT=$?
+            cat /proc/uptime |awk '{print $1}' > $LASTUPDATE        
+        fi
+    fi 
+    if [ $RESULT -eq 0 ];then
+        $0 success
+    else
+        $0 failed
+    fi
     ;;
-	update)
-		doReadCFG
-		OLDIP=`cat $IPFILE`
-		doGetWANIP
-		[ -f $CFG_disabled ] && FILE=$CFG_disabled
-		[ -f $CFG ] && FILE=$CFG
-		RESULT=0
-		#if we know our WAN IP, only update if IP changes
-		if [ "$OLDIP" != "$WANIP" -a "${WANIP}" != ${NOIP} ];then
-			${UPDATE_TOOL} -c $FILE
-			RESULT=$?
-			cat /proc/uptime |awk '{print $1}' > $LASTUPDATE
-		fi
-		#if we don't know our WAN IP do a blind update once a hour
-		if [ "${WANIP}" = ${NOIP} ];then
-			UPTIME=`cat /proc/uptime`
-			LAST=`cat $LASTUPDATE`
-			DIFF=`expr $UPTIME - $LAST`  
-			if [ $DIFF -gt $UPDATEMINUTESUNKNOWN ];then
-				${UPDATE_TOOL} -c $FILE
-				RESULT=$?
-				cat /proc/uptime |awk '{print $1}' > $LASTUPDATE		
-			fi
-		fi 
-		if [ $RESULT -eq 0 ];then
-			$0 success
-		else
-			$0 failed
-		fi
-	;;
     stop)
         rm $CRONJOB 2> /dev/null
         /etc/init.d/${TOOLNAME} stop
         mv $CFG $CFG_disabled
     ;;
     success)
-    	DATE=`date`
-    	echo "last update done ($DATE)" > $STATUSFILE
+        DATE=`date`
+        echo "last update done ($DATE)" > $STATUSFILE
     ;;
     failed)
-    	DATE=`date`
-    	echo "last update failed ($DATE)" > $STATUSFILE
+        DATE=`date`
+        echo "last update failed ($DATE)" > $STATUSFILE
     ;;    
     get-last-success)
-    	if [ -f $STATUSFILE ];then
-    		cat $STATUSFILE
-    	else
-    		echo "no update recorded since last config change"
-    	fi
+        if [ -f $STATUSFILE ];then
+            cat $STATUSFILE
+        else
+            echo "no update recorded since last config change"
+        fi
     ;;
     get-installed)
         if [ ! -z ${UPDATE_TOOL} ];then
@@ -226,8 +226,8 @@ case $cmd in
         if [ -f $CRONJOB ];then
              echo enabled 
         elif [ ! -z $PROC ];then 
-        	echo enabled
-    	else
+            echo enabled
+        else
             echo disabled
         fi
         echo $server
@@ -237,10 +237,10 @@ case $cmd in
         echo $IPURL
     ;;
     get-timer)
-    	echo $UPDATEMINUTES
+        echo $UPDATEMINUTES
     ;;
     clean)
-    	rm ${CFGDIR}/*
+        rm ${CFGDIR}/*
     ;;
     *)
         echo "usage: get-installed|status|configure <options>|start|stop|update|get-nat|clean|success|failed"
@@ -252,10 +252,10 @@ case $cmd in
         echo "-p <password>           Account Password"
         echo "-I <IP check URL>       A URL which returns the IP of the client who is requesting"
         echo ""
-		echo "update				  do a one time update"		
-		echo "clean					  delete configuration"
-		echo "success				  store update success"	
-		echo "failed				  store update failure"		
+        echo "update                  do a one time update"        
+        echo "clean                      delete configuration"
+        echo "success                  store update success"    
+        echo "failed                  store update failure"        
     ;;
 esac
 exit 0